Finding the Fourth Proportional to 1,207,127, 1,810,970.58 and 354,164.24
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Solution
The fourth proportional to 1,207,127, 1,810,970.58 and 354,164.24 is: 531,328.53
Step by Step Solution
- Step 1: Write the proportion equation
1,207,127 : 1,810,970.58 = 354,164.24 : x - Step 2: Convert to fraction form
1,207,127/1,810,970.58 = 354,164.24/x - Step 3: Cross multiply
1,207,127x = 1,810,970.58 × 354,164.24 - Step 4: Simplify right side
1,207,127x = 641,381,019,128.06 - Step 5: Solve for x
x = 641,381,019,128.06/1,207,127 - Step 6: Final answer
x = 531,328.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.